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\bibstyle{naaclhlt2013}
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\bibcite{androutsopoulos2009survey}{\citename {Androutsopoulos and Malakasiotis}2009}
\bibcite{barzilay2003learning}{\citename {Barzilay and Lee}2003}
\bibcite{barzilay2001extracting}{\citename {Barzilay and McKeown}2001}
\bibcite{barzilay1999information}{\citename {Barzilay \bgroup et al.\egroup }1999}
\bibcite{berant2011global}{\citename {Berant \bgroup et al.\egroup }2011}
\bibcite{bhagat2008large}{\citename {Bhagat and Ravichandran}2008}
\bibcite{callison2006improved}{\citename {Callison-Burch \bgroup et al.\egroup }2006}
\bibcite{chen2011domain}{\citename {Chen \bgroup et al.\egroup }2011}
\bibcite{collins02}{\citename {Collins}2002}
\bibcite{dagan2009recognizing}{\citename {Dagan \bgroup et al.\egroup }2009}
\bibcite{dolan2005automatically}{\citename {Dolan and Brockett}2005}
\bibcite{dolan2004unsupervised}{\citename {Dolan \bgroup et al.\egroup }2004}
\bibcite{fader11}{\citename {Fader \bgroup et al.\egroup }2011}
\bibcite{faderparaphrase}{\citename {Fader \bgroup et al.\egroup }2013}
\bibcite{gale1992one}{\citename {Gale \bgroup et al.\egroup }1992}
\bibcite{harris1954distributional}{\citename {Harris}1954}
\bibcite{hoffmann2011knowledge}{\citename {Hoffmann \bgroup et al.\egroup }2011}
\bibcite{kohlschutter2010boilerplate}{\citename {Kohlsch{\"u}tter \bgroup et al.\egroup }2010}
\bibcite{lin2001discovery}{\citename {Lin and Pantel}2001}
\bibcite{lin2012no}{\citename {Lin \bgroup et al.\egroup }2012}
\bibcite{madnani2010generating}{\citename {Madnani and Dorr}2010}
\bibcite{pang2003syntax}{\citename {Pang \bgroup et al.\egroup }2003}
\bibcite{poon2009unsupervised}{\citename {Poon and Domingos}2009}
\bibcite{rahman2009supervised}{\citename {Rahman and Ng}2009}
\bibcite{sandhaus08}{\citename {Sandhaus}2008}
\bibcite{shen2006adding}{\citename {Shen \bgroup et al.\egroup }2006}
\bibcite{shinyama2003paraphrase}{\citename {Shinyama and Sekine}2003}
\bibcite{SocherEtAl2011:PoolRAE}{\citename {Socher \bgroup et al.\egroup }2011}
\bibcite{Yannakakis92}{\citename {Yannakakis}1992}
\bibcite{yao2011structured}{\citename {Yao \bgroup et al.\egroup }2011a}
\bibcite{yaounsupervised}{\citename {Yao \bgroup et al.\egroup }2011b}
\bibcite{yates2009unsupervised}{\citename {Yates and Etzioni}2009}
